Lesson 14: Installing and Uninstalling Programs

• how to install a new program

• what to do if the new program doesn’t work

• how to uninstall a program

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Managing Application Programs

• Windows guides process for installing and removing programs– If installed program does not appear in Start menu, could be result of how

it was installed previously or deleted from Start menu

• Use Programs and Features command in Programs category of Control Panel to check if program on list

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Installing a New Program • Can install programs from number of different sources

• Some programs automatically start install when you insert disc

• Programs from Internet fall into one of two categories:– Download program file for installation

– Subscribe to SaaS option with software vendor

– Both entitle you to updates

• Allowed to make one backup or copy of original

• If downloading software from Internet, always save it and scan for viruses prior to installing

• When software vendor notifies of updates to program, these updates usually are not critical to install immediately– Be sure to read notice to decide whether to install

– Might receive notices from vendor in e-mail, media, or link

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Why Isn’t the Program Working?• If unable to install or download program, may not have rights with your

user account

• If have rights but installation stops and error message displays, there may be some kind of defect or damage to program copy

• If using backup copy and installation does not start, try install from original media

• Installation can also fail with hardware conflicts

• Software conflicts also very common reason for installation to fail

• If installation successful but you cannot access existing files in new program, check if new program has tools to convert files from earlier format into new program

• If software installation was successful but having problems viewing different parts of the program, check system requirements

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Why Isn’t the Program Working?• If software installation successful but another program no longer

works:– May not be compatible with version of other program

– Check system or driver files which may be overwritten when new software program installs

• If unable to download software, check site not down for maintenance, or software or download key sent has not expired

• To reduce chance problems will occur during installation:– Before purchasing and installing program, check system requirements

– Check software is compatible with operating system

– Close all programs before installing new program

– If installation program completes but program does not work correctly, uninstall program using correct uninstall procedure

• Before changing system settings, check with technical support

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Uninstalling a Program

• Always uninstall program from system when no longer used

• Always use Uninstall a program in Control Panel, then – Do not just delete program files using Explorer

– Configuration information needs to be adjusted in Windows Registry

– Can lead to problems with other software programs, if re-install, or if upgrade to new version

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